Corovin duvets have hypoallergenic polypropylene cover and offers the perfect solution to low cost bedding whilst providing comfort and warmth. These duvets are perfect for anyone suffering from allergies. Inner Filling: Polyester Hollowfibre Outer Cover: Hypeallergenic Polypropylene (Corovin) Polypropylene is also known as Corovin which is durable and lightweight. It is a non-woven hypoallergenic fabric with high quality material strength. It offers low cost alternative to poly-cotton duvets and offers reliability. You can not wash quilts & Pillows at home. They have to be washed in laundry. PLEASE NOTE : You need to purchase Duvet & Pillows SEPARATELY .